Finding the Fourth Proportional to 6,100.20, 9,138.15 and 3,322.71

Step by Step Solution

1. Step 1: Write the proportion equation
   6,100.20 : 9,138.15 = 3,322.71 : x
2. Step 2: Convert to fraction form
   6,100.20/9,138.15 = 3,322.71/x
3. Step 3: Cross multiply
   6,100.20x = 9,138.15 × 3,322.71
4. Step 4: Simplify right side
   6,100.20x = 30,363,422.39
5. Step 5: Solve for x
   x = 30,363,422.39/6,100.20
6. Step 6: Final answer
   x = 4,977.45